| http://www.w3.org/ns/prov#value | - r icons (1, 2, 3 and 4) on a display thereof; FIG. 14 is a schematic representation of an auxiliary user input in the form of a trackball; FIG. 15 is an exploded perspective view of an exemplary wireless handheld electronic device incorporating a trackball assembly as the auxiliary user input; FIG. 16 is a perspective view of an exemplary wireless handheld electronic device without indicia on the
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